
package com.itheima.controller.backend.security;

import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

@Slf4j
@Service
public class SpringSecurityUserService implements UserDetailsService {
	//查找服务，实现查询数据库
	@Autowired
	private UserService userService;

	//根据用户名查询数据库中用户信息
	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		log.info("根据用户名查询数据库中用户信息");
		return userService.findByUsername(username);

	}
}

